메타데이터
| 항목 |
값 |
| Designation |
265P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2003-09-05T19:24:38.289600Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:10Z |
| Obs used |
539 |
| NEO |
- |
| M1 |
14.900 |
| K1 |
14.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-10-14.0000000 |
| e |
0.64602512 |
| q (au) |
1.505450 |
| a (au) |
4.252984 |
| i (deg) |
14.691189 |
| Ω (om, deg) |
344.711232 |
| ω (w, deg) |
32.720499 |
| M (ma, deg) |
4.291677 |
밝기
산란 + 전체 선형
$$
M_a = (15.883 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.883 |
| n |
2.000 |
| gf |
0.998 |
| gb |
-1.000 |
| k |
1.000 |
| δ90 |
10.000 |
| 파라미터 |
기호 |
범위 |
설명 |
| 태양·지구거리 1 AU에서의 절대등급 |
H0 |
-5 to 20 |
혜성의 고유 밝기 |
| 광도 기울기 파라미터 |
n |
2 to 6 |
태양거리 변화에 따른 밝기 변화율 |
| 전방 산란 비대칭 계수 |
gf |
0.8 to 1 |
전방 산란의 강도 |
| 후방 산란 비대칭 계수 |
gb |
-1 to -0.5 |
후방 산란의 강도 |
| 분할 계수 |
k |
0.8 to 1 |
전·후방 산란 기여도 비율 |
| 먼지/가스 밝기 비 |
δ90 |
1 to 10 |
코마에서 먼지 산란 대비 가스 방출의 상대 기여 |
참고: EPSC-DPS2025-160
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
13:01:07.39 |
-18:46:53.3 |
HIP 63662 |
32.22 |
| 2026-05-12 12:00 |
13:00:55.31 |
-18:45:25.0 |
HIP 63662 |
33.61 |
| 2026-05-13 00:00 |
13:00:43.34 |
-18:43:56.8 |
HIP 63413 |
31.16 |
| 2026-05-13 12:00 |
13:00:31.49 |
-18:42:28.8 |
HIP 63413 |
28.56 |
| 2026-05-14 00:00 |
13:00:19.74 |
-18:41:01.0 |
HIP 63413 |
26.10 |
| 2026-05-14 12:00 |
13:00:08.11 |
-18:39:33.4 |
HIP 63413 |
23.81 |
| 2026-05-15 00:00 |
12:59:56.59 |
-18:38:06.0 |
HIP 63413 |
21.73 |
| 2026-05-15 12:00 |
12:59:45.19 |
-18:36:38.8 |
HIP 63413 |
19.93 |
| 2026-05-16 00:00 |
12:59:33.91 |
-18:35:11.8 |
HIP 63413 |
18.46 |
| 2026-05-16 12:00 |
12:59:22.75 |
-18:33:45.1 |
HIP 63413 |
17.41 |
| 2026-05-17 00:00 |
12:59:11.71 |
-18:32:18.6 |
HIP 63413 |
16.83 |
| 2026-05-17 12:00 |
12:59:00.78 |
-18:30:52.4 |
HIP 63413 |
16.76 |
| 2026-05-18 00:00 |
12:58:49.98 |
-18:29:26.5 |
HIP 63413 |
17.19 |
| 2026-05-18 12:00 |
12:58:39.31 |
-18:28:00.8 |
HIP 63413 |
18.08 |
| 2026-05-19 00:00 |
12:58:28.76 |
-18:26:35.5 |
HIP 63413 |
19.34 |
| 2026-05-19 12:00 |
12:58:18.33 |
-18:25:10.5 |
HIP 63413 |
20.90 |
| 2026-05-20 00:00 |
12:58:08.03 |
-18:23:45.8 |
HIP 63413 |
22.69 |
| 2026-05-20 12:00 |
12:57:57.86 |
-18:22:21.5 |
HIP 63413 |
24.64 |
| 2026-05-21 00:00 |
12:57:47.82 |
-18:20:57.5 |
HIP 63413 |
26.71 |
| 2026-05-21 12:00 |
12:57:37.90 |
-18:19:33.9 |
HIP 63413 |
28.87 |
| 2026-05-22 00:00 |
12:57:28.12 |
-18:18:10.7 |
HIP 63413 |
31.09 |
| 2026-05-22 12:00 |
12:57:18.46 |
-18:16:47.8 |
HIP 63137 |
32.38 |
| 2026-05-23 00:00 |
12:57:08.94 |
-18:15:25.4 |
HIP 63137 |
32.61 |
| 2026-05-23 12:00 |
12:56:59.55 |
-18:14:03.4 |
HIP 63137 |
33.06 |
| 2026-05-24 00:00 |
12:56:50.30 |
-18:12:41.7 |
HIP 63137 |
33.70 |
| 2026-05-24 12:00 |
12:56:41.17 |
-18:11:20.6 |
HIP 63137 |
34.52 |
| 2026-05-25 00:00 |
12:56:32.19 |
-18:09:59.8 |
HIP 63137 |
35.51 |
| 2026-05-25 12:00 |
12:56:23.33 |
-18:08:39.5 |
HIP 62954 |
34.59 |
| 2026-05-26 00:00 |
12:56:14.61 |
-18:07:19.7 |
HIP 62954 |
32.32 |
| 2026-05-26 12:00 |
12:56:06.03 |
-18:06:00.4 |
HIP 62954 |
30.12 |
| 2026-05-27 00:00 |
12:55:57.59 |
-18:04:41.5 |
HIP 62954 |
27.98 |
| 2026-05-27 12:00 |
12:55:49.28 |
-18:03:23.1 |
HIP 62954 |
25.93 |
| 2026-05-28 00:00 |
12:55:41.11 |
-18:02:05.2 |
HIP 62954 |
23.96 |
| 2026-05-28 12:00 |
12:55:33.08 |
-18:00:47.8 |
HIP 62954 |
22.10 |
| 2026-05-29 00:00 |
12:55:25.19 |
-17:59:31.0 |
HIP 62954 |
20.37 |
| 2026-05-29 12:00 |
12:55:17.44 |
-17:58:14.6 |
HIP 62954 |
18.77 |
| 2026-05-30 00:00 |
12:55:09.82 |
-17:56:58.8 |
HIP 62954 |
17.35 |
| 2026-05-30 12:00 |
12:55:02.35 |
-17:55:43.6 |
HIP 62954 |
16.13 |
| 2026-05-31 00:00 |
12:54:55.02 |
-17:54:28.9 |
HIP 62954 |
15.16 |
| 2026-05-31 12:00 |
12:54:47.83 |
-17:53:14.7 |
HIP 62954 |
14.45 |
| 2026-06-01 00:00 |
12:54:40.78 |
-17:52:01.2 |
HIP 62954 |
14.05 |
| 2026-06-01 12:00 |
12:54:33.87 |
-17:50:48.2 |
HIP 62954 |
13.96 |
| 2026-06-02 00:00 |
12:54:27.10 |
-17:49:35.8 |
HIP 62954 |
14.18 |